Finding the Fourth Proportional to 42,225.72, 63,342.24 and 11,061

Step by Step Solution

1. Step 1: Write the proportion equation
   42,225.72 : 63,342.24 = 11,061 : x
2. Step 2: Convert to fraction form
   42,225.72/63,342.24 = 11,061/x
3. Step 3: Cross multiply
   42,225.72x = 63,342.24 × 11,061
4. Step 4: Simplify right side
   42,225.72x = 700,628,516.64
5. Step 5: Solve for x
   x = 700,628,516.64/42,225.72
6. Step 6: Final answer
   x = 16,592.46